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8843 (1990 OH)
Classification: Main-belt Asteroid          SPK-ID: 2008843
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3027017907702048 6.846e-08  
a 2.656938396847083 1.6262e-08 AU
q 1.852678386155354 1.7689e-07 AU
i 13.25949796952188 8.2182e-06 deg
node 216.9616281097812 2.2474e-05 deg
peri 132.7196776346773 2.5492e-05 deg
M 203.6369722289862 1.29e-05 deg
tp 2457687.571960236226
(2016-Oct-26.07196024)
6.0959e-05 JED
period 1581.869507203887
4.33
1.4523e-05
3.976e-08
d
yr
n .2275788226276238 2.0894e-09 deg/d
Q 3.461198407538812 2.1185e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      723  
   data-arc span      9072 days (24.84 yr)  
   first obs. used      1990-07-22  
   last obs. used      2015-05-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59034  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:03:14  

Additional Information
 Earth MOID = .876107 AU 
 T_jup = 3.284 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.0 mag n/a PDS3 (MPC 31909)  

8843 (1990 OH)          Discovered 1990-Jul-22 by Helin, E. F. at Palomar
Reference: 19980610/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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